$E701/59137: Back on to Previous Line
Jump from $E753, $E864:
E701: A6 D6 LDX $D6 ; Current Screen Line number of Cursor
E703: D0 06 BNE $E70B
E705: 86 D3 STX $D3 ; Cursor Column on current Line
E707: 68 PLA
E708: 68 PLA
E709: D0 9D BNE $E6A8 ; Set Up Screen Print
Jump from $E703:
E70B: CA DEX
E70C: 86 D6 STX $D6 ; Current Screen Line number of Cursor
E70E: 20 6C E5 JSR $E56C ; Set Screen Pointers
E711: A4 D5 LDY $D5 ; Current logical Line length: 39 or 79
E713: 84 D3 STY $D3 ; Cursor Column on current Line
E715: 60 RTS
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